Has a begginer Kas I would buy Whey Protein any that has 20+ grams of protein per serving. Protein is the base for building muscle. Don't forget suppleements are to complete a good diet. you want to have a good diet first, make sure you're getting enough protein.. I'd try to have at least 20g of protein every meal, having 5-6 meals a day.
other than PROTEIN I would recomend a good multi-vitamin, and creatine.
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If you're just starting out, forget about buying supplements. Stick to a multi-vitamin and focus on your diet instead of relying on supplements to do all the work.
Once you know how much protein,carbs and fat you need, you can start incorporating supplements into your diet.